In our previous posts on the shape of London’s rail network, we looked at how our infrastructure legacy gives rise to the pattern of services which concentrates demand onto the city core and its ring of termini. While London’s population and travel to work area have grown enormously, the core has largely remained the same as it was in the 1860s. The challenge is to reshape the network to expand the city core and break free from this legacy. New cross-city lines such as Crossrail and ...